Utah Code Title 17. Counties § 17-27a-407. Effect of official maps

(i) require a landowner to dedicate and construct a street as a condition of development approval, except under circumstances provided in Subsection (2)(b)(iii);  or

(ii) require a county to immediately acquire property it has designated for eventual use as a public street.

(i) recommending that an applicant consider and accommodate the location of the proposed streets in the planning of a development proposal in a manner that is consistent with Section 17-27a-507;

(ii) acquiring the property through purchase, gift, voluntary dedication, or eminent domain;  or

(iii) requiring the dedication and improvement of a street if the street is found necessary by the county because of a proposed development and if the dedication and improvement is consistent with Section 17-27a-507.